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|Material Type:||Document, Government publication, National government publication, Internet resource|
|Document Type:||Book, Computer File, Internet Resource|
|All Authors / Contributors:||
Gregory C Wilshusen; United States. Congress. House. Committee on Homeland Security. Subcommittee on Emerging Threats, Cybersecurity, and Science and Technology.; United States. Government Accountability Office.
|Notes:||Title from title screen (viewed on Nov. 15, 2007).
"For release ... October 17, 2007."
Paper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.
|Description:||11 pages : digital, PDF file.|
|Details:||Mode of access: Internet. Address as of 11/15/07: http://www.gao.gov/new.items/d08119t.pdf; current access available via PURL.|
|Series Title:||Testimony, GAO-08-119 T.|
|Other Titles:||Multiple efforts to secure control systems are under way, but challenges remain|
|Responsibility:||statement of Gregory C. Wilshusen.|
- United States. -- Department of Homeland Security -- Rules and practice.
- Emergency management -- United States.
- National security -- United States.
- Infrastructure (Economics) -- United States.
- United States. -- Department of Homeland Security.
- Emergency management.
- Infrastructure (Economics)
- National security.
- United States.